203205419 has 2 divisors, whose sum is σ = 203205420. Its totient is φ = 203205418.

The previous prime is 203205413. The next prime is 203205421. The reversal of 203205419 is 914502302.

203205419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203205419 is a prime.

It is a super-2 number, since 2×203205419² = 82584884621931122, which contains 22 as substring.

Together with 203205421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (203205413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101602709 + 101602710.

It is an arithmetic number, because the mean of its divisors is an integer number (101602710).

Almost surely, 2^203205419 is an apocalyptic number.

203205419 is a deficient number, since it is larger than the sum of its proper divisors (1).

203205419 is an equidigital number, since it uses as much as digits as its factorization.

203205419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 203205419 is about 14255.0138197057. The cubic root of 203205419 is about 587.9112378934.

The spelling of 203205419 in words is "two hundred three million, two hundred five thousand, four hundred nineteen".